EP3036933B1 - Orientation du trafic entre des réseaux cellulaires et des wlan - Google Patents

Orientation du trafic entre des réseaux cellulaires et des wlan Download PDF

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Publication number
EP3036933B1
EP3036933B1 EP13756775.6A EP13756775A EP3036933B1 EP 3036933 B1 EP3036933 B1 EP 3036933B1 EP 13756775 A EP13756775 A EP 13756775A EP 3036933 B1 EP3036933 B1 EP 3036933B1
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EP
European Patent Office
Prior art keywords
traffic
user equipment
indication
network
access network
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EP13756775.6A
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German (de)
English (en)
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EP3036933A1 (fr
Inventor
Jussi-Pekka Koskinen
Ilkka Antero KESKITALO
Sami Kekki
Jari Mutikainen
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Nokia Technologies Oy
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Nokia Technologies Oy
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/08Load balancing or load distribution
    • H04W28/086Load balancing or load distribution among access entities
    • H04W28/0861Load balancing or load distribution among access entities between base stations
    • H04W28/0865Load balancing or load distribution among access entities between base stations of different Radio Access Technologies [RATs], e.g. LTE or WiFi
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/08Load balancing or load distribution
    • H04W28/09Management thereof
    • H04W28/0958Management thereof based on metrics or performance parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/06Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the subject matter described herein relates to wireless communications.
  • ANDSF Access Network Discovery and Selection Function
  • 3GPP Third Generation Partnership Project
  • non-3GPP-type access networks for example, wireless local area networks
  • ANDSF has some characteristics that can reduce its applicability in some traffic steering scenarios. Specifically, ANDSF is an optional feature in the 3GPP standards, so the ANDSF may not be available at some devices. Moreover, ANDSF does not specify how devices evaluate ANDSF policies. Furthermore, ANDSF allows its policies to be overruled by local device preferences (for example, end-user preferences and local operating environment parameters).
  • NSN ET AL "WLAN OIW Solution for UEs with and without ANDSF " relates to load balancing techniques between a cellular network and a wireless local area network.
  • US2010/323698A1 describes a system wherein an ANDSF provides a cell selection rule to a UE and an access node provides the UE with information about the load in the cell currently utilized by the UE. This enables the UE to determine whether to leave the cell, which may be a 3GPP cell, and use a different cell, which may be a non-3GPP cell, by applying the cell selection rule in conjunction with its knowledge about the load of the cell.
  • the invention relates a method, an apparatus and a computer program product as set forth in the claims.
  • the subject matter disclosed herein relates to load balancing between access networks including cellular networks and non- cellular networks, such as wireless local area networks.
  • the network may send via a broadcast or other forms of signaling an indication to one or more user equipment.
  • This indication may provide information representative of which services, applications, destination domains, and/or traffic types are allowed and/or preferred by the network in a given cellular access network or a given WLAN access network.
  • This indication may, in some example embodiments, allow the network to control user equipment network access in a more dynamic way, when compared to more static policy techniques, such an Access Network Discovery and Selection Function (ANDSF) and the like.
  • ANDSF Access Network Discovery and Selection Function
  • the indication may be considered dynamic in the sense that the network can readily change the contents of the indication to change how traffic is steered in the network. For example, if a cell becomes congested, the indication sent to the user equipment may indicate a preference/allowance for only "voice traffic," so other types of traffic can be carried by a non-cellular, WLAN-type network-thus reducing the traffic carried by the congested cell.
  • FIG. 1 depicts an example system 100 including one or more cells 112A-D (also referred to herein as coverage areas) served by corresponding wireless access points, such as for example base stations 110A and 110D and wireless local area network (WLAN) access points 110B-C.
  • System 100 also includes wireless devices, such as for example user equipment 114A-B.
  • a network may control access to a cellular access network and/or a non-cellular access network (for example, a WLAN) by for example sending, in some example embodiments, a broadcast message 166.
  • Broadcast message 166 may, in some example embodiments, be broadcast to one or more user equipment 114A-B and include an indication of whether certain services, certain applications, certain destination domains, and/or certain traffic types are allowed and/or preferred in an access network.
  • the broadcast message 166 may indicate these allowances and/or preferences for other access networks/cells as well.
  • other base stations and/or WLAN access points 110B-C may send broadcast message 166 as well.
  • user equipment may, in some example embodiments, apply the received indication to determine whether to steer traffic toward access point 110B (and the corresponding coverage area of WLAN 112B) instead of cellular cell 112A including base station 110A.
  • a user equipment may also apply, in some example embodiments, the broadcast indication before applying other more static polices, such as for example ANDSF.
  • the received broadcast message 166 indicates a preference for keeping a certain application or traffic type on a cellular access network (for example, cell 112A)
  • user equipment 114A may keep that application or traffic on base station 110A/cell 112A rather than steer that application/traffic to a non-cellular access point, such as for example WLAN access point 110B/WLAN 112B.
  • user equipment 114A may, in some example embodiments, be configured to apply the rule (or policy) represented by the broadcast indication 166 before, or instead of, other more static policies, such as for example an ANDSF policy or other more static local policy.
  • user equipment 114A may maintain a certain application or traffic type on the cellular access network based on the received indication 166 and inhibit, delay, and/or ignore an ANDSF policy regarding routing such traffic to WLAN access point 110B.
  • the user equipment 114A may be configured to first implement and thus apply any policy contained in the broadcast indication 166 before applying less dynamic policy, such as ANDSF, at user equipment 114A.
  • broadcasted indication 166 may be specific to a cell, a tracking area, and the like. When this is the case, broadcast indication 166 may be adapted to control access based on the local availability of WLAN access networks in the vicinity of a given cell. For example, broadcast indication 166 sent by base station 110A may be specific to a user equipment in the coverage area of cell 112A, and if a given user equipment leaves cell 112A and enters another cell, the other cell is responsible for implementing steering control via another broadcast indication.
  • broadcast indication 166 is configured in a compact manner to keep the size of the broadcast indication to a relatively small size.
  • FIG. 2 depicts an example compact implementation of broadcast indication 166, in accordance with some example embodiments.
  • the broadcasted indication 166 is coded as a multi-bit message, wherein each bit indicates whether certain services, certain applications, certain destination domains, and/or certain traffic types are allowed, preferred, and/or denied in an access network.
  • bit position 0 166 may represent interactive real-time traffic;
  • bit position 1 may indicate streaming video;
  • bit position 2 may represent internet traffic;
  • bit position 4 may represent a specific application (for example, a voice over Internet Protocol application or other type of application);
  • bit position 5 may indicate a certain destination domain; and so forth.
  • bit position 1 indicates a preference or allowance for streaming video to be carried on cellular access network 112A. Because the network recognizes the importance, traffic load, congestion, and/or other network conditions associated certain services, applications, destination domains, and/or traffic types, the network may thus control access to cellular access network 112A and/or non-cellular access networks 112B-C via the broadcast indication 166 by changing the content information 210 (for example, by changing the values of the bits in the message 166) of broadcast indication 166.
  • the content information 210 provided by broadcast indication 166 may be specific to a location, such as for example a Tracking Area and the like. When this is the case, when a user equipment leaves a specific location, the user equipment may no longer apply the content information 210 provided by broadcast indication 166. Furthermore, when in the new location, the network may provide another broadcast indication configured for the new location and/or new network(s).
  • the user equipment when the user equipment moves to another cell which does not broadcast a preference indication (such as message 166), the user equipment may be configured to presume that the other cell has no preferences, in which case the user equipment may rely on less dynamic policies, such as ANDSF policies and the like.
  • FIG. 2 depicts an example of format for the content information 210
  • other formats may be used to map to operating systems, application types, service types, domain types, and/or the like
  • an example of a notation scheme to identify applications and the like is illustrated in 3GPP TS 24.312 V11.6.0 (2013-03 ); Technical Specification; 3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; Access Network Discovery and Selection Function (ANDSF) Management Object (MO), (Release 11)
  • the content information 210 may also contain the specific names/identities of the operating systems, application types, service types, domain types, and/or the like.
  • the content information 210 may indicate a signaling bearer (for example, a signaling radio bearer (SRB)), a data bearer (for example, an access stratum (AS and/or network access stratum (NAS) bearer), a logical channel, a logical channel group, a traffic type (for example, background or non-background traffic), specific quality of service (QoS) or QoS class identifier (QCI), and/or the like.
  • SRB signaling radio bearer
  • AS access stratum
  • NAS network access stratum
  • QoS quality of service
  • QCI QoS class identifier
  • user equipment may be configured with information, such as for example a key to decode the meaning of the content information 210.
  • the key may map bit positions to a corresponding allowed/preferred application, service, domain, and the like, as depicted at FIG. 2 at 220.
  • the content information 210 may further provide the mapping for the 16 bits to corresponding applications, services, traffic types, and the like.
  • the broadcast indication 166 may, as noted above, be dynamic in the sense that the information conveyed by the indication 166 may adapt to the condition of the cell where the indication 166 is broadcast. For example, when cell 112A is lightly loaded, the network including for example base station 110A may send broadcast indication 166 to signal that most (if not all) of the applications, services, destinations, and/or the like are preferred/allowed in cell 112A. However, when the traffic load at cell 112A increases, the network may send broadcast indication 166 to signal that some applications (for example, less critical applications, less time sensitive, and the like) are not preferred or not-allowed.
  • some applications for example, less critical applications, less time sensitive, and the like
  • the network may send broadcast indication 166 to signal further limits to the traffic on the cell 112A (for example, restrict traffic at cell 112A to very specific applications, traffic types, and/or the like, such as for example delay sensitive voice call traffic, high priority traffic, and the like).
  • the network may dynamically control, based on network conditions, a user equipment to steer between cellular cell 112A and non-cellular WLAN 112B.
  • key information 220 may be specified in a standard, sent to the user equipment via a broadcast channel, sent to the user equipment via other signaling (for example Open Mobile Alliance (OMA) Device Management signaling), and/or sent to the user equipment via NAS information (when for example the user equipment makes an initial attach to a network and/or when the user equipment makes the location update provided that updated information is available).
  • the key information may also be sent to the user equipment as a configuration contained in a short message service (SMS) message and/or sent in other ways.
  • SMS short message service
  • broadcast indication 166 may, in some example embodiments, indicate what key, such as key mapping information 220, is to be used to decode the broadcast indication 166 and coding logic.
  • the broadcast indication may explicitly include the key or provide an indication of what key can be used to decode the bit map.
  • content information 210 provided by broadcast indication 166 may be specific to a given operator of a public land mobile network.
  • the user equipment may simply ignore the broadcasted information. For example, if the user equipment has not received the configuration information about the services/applications/traffic types and the like via signaling (in which case the user equipment may not be able to use the key to map the preferred/allowed services/applications/traffic types, and the like), the user equipment may ignore the broadcasted message 166 and instead use other, more static policy configurations, such as from ANDSF.
  • the configuration information may instead contain threshold values for specific applications or services or types of traffic.
  • network loading information may be broadcast, and the user equipment may adapt its behavior per the configuration information containing the threshold values.
  • there may be, in the configuration information, a threshold value for internet traffic, so that internet traffic is allowed in cell 112A only if the cell traffic load is lower than a given threshold value, such as 50%.
  • the user equipment may in this example offload data for certain applications, services, or types of traffic from cell 112A/base station 110A to for example cell 112B/wireless local area network (WLAN) access point 110B.
  • the provided threshold values may relate to an adjacent WLAN access point (AP) that may be further identified in the configuration information by a WLAN Service Set ID (SSID) or equivalent identifier.
  • AP adjacent WLAN access point
  • SSID WLAN Service Set ID
  • a threshold value for voice traffic may be configured so that voice traffic is allowed in the WLAN access point only if the traffic load at the WLAN AP is lower than a value, such as 40%, and another threshold value mat be configured at the WLAN AP for internet traffic, so that internet traffic is allowed only in the WLAN AP if the traffic load at the WLAN AP is less than a value, such as 90%.
  • WLAN access points 110B-C may send a broadcast indication as well for cell 112A as well as for other cells/access networks.
  • WLAN access point 110B may send a broadcast indication 166 to user equipment 114A and/or other user equipment to indicate whether certain services, certain applications, certain destination domains, and/or certain traffic types are allowed and/or preferred in cell 112A, cell 112B, and/or cell 112C.
  • the WLAN access point 110B may send the broadcast information using a vendor specific element in the frame that is broadcasted by the access point.
  • bit-mapped content information may, in some example, embodiments, be carried by dedicated signaling to the user equipment.
  • bit-mapped content information 210 may be made available simultaneously by broadcast via broadcast message 166 and dedicated signaling.
  • the user equipment may be configured to pick which bit mapped content information to apply.
  • the user equipment may, in some example embodiments, be configured to use the bit-map information sent via dedicated signaling, rather than the broadcast message bit-map information (or vice versa).
  • base stations 110A and 110D may be configured as an eNB base station serving macrocells 112A and 112D (also referred to herein as cells and coverage areas).
  • the wireless access points 110B-C may be configured to serve wireless local area network or small cells 112B-C.
  • small cell 112B may be implemented as a picocell, a femtocell, and the like served by wireless access points 110B-C, examples of which include a picocell base station, a femtocell base station, a home base station, a WiFi access point, a WLAN access point, and a home E-UTRAN node B base station (HeNB) configured in accordance with standards, such as for example Third Generation Partnership Project (3GPP) Long Term Evolution (LTE).
  • 3GPP Third Generation Partnership Project
  • LTE Long Term Evolution
  • base stations 110A and 110D are implemented as an evolved Node B (eNB) type base station
  • the base stations may be configured in accordance with standards, including the Long Term Evolution (LTE) standards, such as for example 3GPP TS 36.201, Evolved Universal Terrestrial Radio Access (E-UTRA); Long Term Evolution (LTE) physical layer; General description, 3GPP TS 36.211, Evolved Universal Terrestrial Radio Access (E-UTRA); Physical channels and modulation, 3GPP TS 36.212, Evolved Universal Terrestrial Radio Access (E-UTRA); Multiplexing and channel coding, 3GPP TS 36.213, Evolved Universal Terrestrial Radio Access (E-UTRA); Physical layer procedures, 3GPP TS 36.214, Evolved Universal Terrestrial Radio Access (E-UTRA); Physical layer - Measurements, and any subsequent additions or revisions to these and other 3GPP series of standards (collectively referred to as LTE standards).
  • LTE Long Term Evolution
  • system 100 may include wireless access links. These access links may include downlinks for transmitting to user equipment and an uplink for transmitting from user equipment to a base station.
  • the downlinks and uplinks may each comprise a modulated radio frequency carrying information, such as for example user data, control messages, radio resource control (RRC) messages, and the like.
  • access points 110A-D may include links, such as for example back haul links, to other networks (for example, other mobile networks, the Internet, and the like), network nodes, and the like.
  • the user equipment such as for example user equipment 114A-B, may be implemented as a mobile device and/or a stationary device.
  • the user equipment are often referred to as, for example, mobile stations, mobile units, subscriber stations, wireless terminals, tablets, smart phones, wireless devices, or the like.
  • a user equipment may be implemented as, for example, a wireless handheld device, a wireless plug-in accessory, or the like.
  • the user equipment may, in some example embodiments, be configured to operate in a heterogeneous network including small, non-cellular access networks (for example, WLAN or WiFi access networks at 112B-C) and cellular access networks (for example, 3GPP cells 112A and 112D).
  • user equipment may be configured as a multimode radio accessing cellular access networks via base station 110A and non-cellular access networks via access points 110B and the like.
  • FIG. 1 depicts four access points 110A-D, four cells 112A-D, and two user equipment 114A-B
  • system 100 may include other quantities and types of wireless access points, cells, and user equipment as well.
  • FIG. 3 depicts an example process 300 for providing to a user equipment an indication of whether an access network allows or prefers certain types of traffic, applications, destination domains, and/or services, in accordance with some example embodiments.
  • the description of FIG. 3 also refers to FIGs. 1 and 2 .
  • the user equipment may receive an indication of whether certain services, certain applications, certain destination domains, and/or certain traffic types are allowed and/or preferred in an access network.
  • a network including base station 110A may send, via a broadcast or via signaling, an indication 166 to one or more user equipment, such as user equipment 114A-B, in accordance with some example embodiments.
  • This indication may provide information informing the user equipment 114A of which services, applications, destination domains, and/or traffic types are allowed and/or preferred in an access network, such as cell 112A.
  • the content 210 of the indication 166 may be adapted by the network as noted above to take into account changing network conditions.
  • the indication may vary the types of applications, destination domains, and/or traffic allowed and/or preferred at cell 112A.
  • the broadcast message 166 may be sent by base station 110A to dynamically inform any user equipment entering the covered area of what types of traffic, services, are allowed at any given time on the radio access network/cell 112A.
  • the user equipment may determine, based on the information received at 302, whether any traffic can be steered to, or away from, an access network, in accordance with some example embodiments.
  • the indication 166 may indicate that only a certain type of application, such as a voice over internet protocol (VoIP) application, is allowed on cell 112A.
  • VoIP voice over internet protocol
  • user equipment 114A may steer the allowed VoIP application traffic to cell 112A, and other traffic would be routed to another access network, such as WLAN access network 112B.
  • the network may then steer the allowed streaming video traffic to cell 112A, and other traffic would be routed to another access network, such as WLAN access network 112B.
  • the indication 166 may be configured to only be effective within cell 112A and thus not cell 112D. As such, the network including base station 110D would need to send another indication to signal allowed or preferred traffic on that cell 112D; otherwise the user equipment 114A may apply other policies, such as ANDSF and the like.
  • FIG. 4 illustrates a block diagram of an apparatus 10, which can be configured as user equipment in accordance with some example embodiments.
  • the apparatus 10 may include at least one antenna 12 in communication with a transmitter 14 and a receiver 16. Alternatively transmit and receive antennas may be separate.
  • the apparatus 10 may also include a processor 20 configured to provide signals to and receive signals from the transmitter and receiver, respectively, and to control the functioning of the apparatus.
  • Processor 20 may be configured to control the functioning of the transmitter and receiver by effecting control signaling via electrical leads to the transmitter and receiver.
  • processor 20 may be configured to control other elements of apparatus 10 by effecting control signaling via electrical leads connecting processor 20 to the other elements, such as for example, a display or a memory.
  • the processor 20 may, for example, be embodied in a variety of ways including circuitry, at least one processing core, one or more microprocessors with accompanying digital signal processor(s), one or more processor(s) without an accompanying digital signal processor, one or more coprocessors, one or more multicore processors, one or more controllers, processing circuitry, one or more computers, various other processing elements including integrated circuits (for example, an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), and/or the like), or some combination thereof. Accordingly, although illustrated in FIG. 4 as a single processor, in some example embodiments the processor 20 may comprise a plurality of processors or processing cores.
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • Signals sent and received by the processor 20 may include signaling information in accordance with an air interface standard of an applicable cellular system, and/or any number of different wireline or wireless networking techniques, comprising but not limited to Wi-Fi, wireless local access network (WLAN) techniques, such as for example for example, Institute of Electrical and Electronics Engineers (IEEE) 802.11, 802.16, and/or the like.
  • these signals may include speech data, user generated data, user requested data, and/or the like.
  • the apparatus 10 may be capable of operating with one or more air interface standards, communication protocols, modulation types, access types, and/or the like.
  • the apparatus 10 and/or a cellular modem therein may be capable of operating in accordance with various first generation (1G) communication protocols, second generation (2G or 2.5G) communication protocols, third-generation (3G) communication protocols, fourth-generation (4G) communication protocols, Internet Protocol Multimedia Subsystem (IMS) communication protocols (for example, session initiation protocol (SIP) and/or the like.
  • IMS Internet Protocol Multimedia Subsystem
  • the apparatus 10 may be capable of operating in accordance with 2G wireless communication protocols IS-136, Time Division Multiple Access TDMA, Global System for Mobile communications, GSM, IS-95, Code Division Multiple Access, CDMA, and/or the like.
  • the apparatus 10 may be capable of operating in accordance with 2.5G wireless communication protocols General Packet Radio Service (GPRS), Enhanced Data GSM Environment (EDGE), and/or the like. Further, for example, the apparatus 10 may be capable of operating in accordance with 3G wireless communication protocols, such as for example for example, Universal Mobile Telecommunications System (UMTS), Code Division Multiple Access 2000 (CDMA2000), Wideband Code Division Multiple Access (WCDMA), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA), and/or the like. The apparatus 10 may be additionally capable of operating in accordance with 3.9G wireless communication protocols, such as for example, Long Term Evolution (LTE), Evolved Universal Terrestrial Radio Access Network (E-UTRAN), and/or the like. Additionally, for example, the apparatus 10 may be capable of operating in accordance with 4G wireless communication protocols, such as for example, LTE Advanced and/or the like as well as similar wireless communication protocols that may be subsequently developed.
  • GPRS General Packet Radio Service
  • EDGE Enhanced Data
  • the processor 20 may include circuitry for implementing audio/video and logic functions of apparatus 10.
  • the processor 20 may comprise a digital signal processor device, a microprocessor device, an analog-to-digital converter, a digital-to-analog converter, and/or the like. Control and signal processing functions of the apparatus 10 may be allocated between these devices according to their respective capabilities.
  • the processor 20 may additionally comprise an internal voice coder (VC) 20a, an internal data modem (DM) 20b, and/or the like.
  • the processor 20 may include functionality to operate one or more software programs, which may be stored in memory. In general, processor 20 and stored software instructions may be configured to cause apparatus 10 to perform actions.
  • processor 20 may be capable of operating a connectivity program, such as for example, a web browser.
  • the connectivity program may allow the apparatus 10 to transmit and receive web content, such as for example, location-based content, according to a protocol, such as for example, wireless application protocol, WAP, hypertext transfer protocol, HTTP, and/or the like.
  • Apparatus 10 may also comprise a user interface including, for example, an earphone or speaker 24, a ringer 22, a microphone 26, a display 28, a user input interface, and/or the like, which may be operationally coupled to the processor 20.
  • the display 28 may, as noted above, include a touch sensitive display, where a user may touch and/or gesture to make selections, enter values, and/or the like.
  • the processor 20 may also include user interface circuitry configured to control at least some functions of one or more elements of the user interface, such as for example, the speaker 24, the ringer 22, the microphone 26, the display 28, and/or the like.
  • the processor 20 and/or user interface circuitry comprising the processor 20 may be configured to control one or more functions of one or more elements of the user interface through computer program instructions, for example, software and/or firmware, stored on a memory accessible to the processor 20, for example, volatile memory 40, non-volatile memory 42, and/or the like.
  • the apparatus 10 may include a battery for powering various circuits related to the mobile terminal, for example, a circuit to provide mechanical vibration as a detectable output.
  • the user input interface may comprise devices allowing the apparatus 20 to receive data, such as for example, a keypad 30 (which can be a virtual keyboard presented on display 28 or an externally coupled keyboard) and/or other input devices.
  • apparatus 10 may also include one or more mechanisms for sharing and/or obtaining data.
  • the apparatus 10 may include a short-range radio frequency (RF) transceiver and/or interrogator 64, so data may be shared with and/or obtained from electronic devices in accordance with RF techniques.
  • the apparatus 10 may include other short-range transceivers, such as for example, an infrared (IR) transceiver 66, a Bluetooth (BT) transceiver 68 operating using Bluetooth wireless technology, a wireless universal serial bus (USB) transceiver 70, and/or the like.
  • the Bluetooth transceiver 68 may be capable of operating according to low power or ultra-low power Bluetooth technology, for example, Wibree, radio standards.
  • the apparatus 10 and, in particular, the short-range transceiver may be capable of transmitting data to and/or receiving data from electronic devices within a proximity of the apparatus, such as for example, within 10 meters, for example.
  • the apparatus 10 including the WiFi or wireless local area networking modem may also be capable of transmitting and/or receiving data from electronic devices according to various wireless networking techniques, including 6LoWpan, Wi-Fi, Wi-Fi low power, WLAN techniques such as for example, IEEE 802.11 techniques, IEEE 802.15 techniques, IEEE 802.16 techniques, and/or the like.
  • the apparatus 10 may comprise memory, such as for example, a subscriber identity module (SIM) 38, a removable user identity module (R-UIM), and/or the like, which may store information elements related to a mobile subscriber. In addition to the SIM, the apparatus 10 may include other removable and/or fixed memory.
  • the apparatus 10 may include volatile memory 40 and/or non-volatile memory 42.
  • volatile memory 40 may include Random Access Memory (RAM) including dynamic and/or static RAM, on-chip or off-chip cache memory, and/or the like.
  • RAM Random Access Memory
  • Non-volatile memory 42 which may be embedded and/or removable, may include, for example, read-only memory, flash memory, magnetic storage devices, for example, hard disks, floppy disk drives, magnetic tape, optical disc drives and/or media, non-volatile random access memory (NVRAM), and/or the like. Like volatile memory 40, non-volatile memory 42 may include a cache area for temporary storage of data. At least part of the volatile and/or non-volatile memory may be embedded in processor 20. The memories may store one or more software programs, instructions, pieces of information, data, and/or the like which may be used by the apparatus for performing functions of the user equipment/mobile terminal.
  • NVRAM non-volatile random access memory
  • the memories may comprise an identifier, such as for example, an international mobile equipment identification (IMEI) code, capable of uniquely identifying apparatus 10.
  • the functions may include one or more of the operations disclosed herein with respect to the user equipment, such as for example, the functions disclosed at process 300 (for example, receiving the indication 166, applying the indication 166, and routing traffic to a access network based on the applied indication, and/or the like).
  • the memories may comprise an identifier, such as for example for example, an international mobile equipment identification (IMEI) code, capable of uniquely identifying apparatus 10.
  • IMEI international mobile equipment identification
  • the processor 20 may be configured using computer code stored at memory 40 and/or 42 to enable, receiving indications 166, applying indications 166 to dynamic steer traffic to for example, a cellular radio access network or a WLAN, and routing traffic to a access network based on the applied indication, and/or the like as disclosed herein.
  • FIG. 5 depicts an example implementation of a network node 500, such as for example base station 110A, access point 110B, and the like.
  • the network node 500 may include one or more antennas 520 configured to transmit via a downlink and configured to receive uplinks via the antenna(s) 520.
  • the network node 500 may further include a plurality of radio interfaces 540 coupled to the antenna 520.
  • the radio interfaces may correspond one or more of the following: Long Term Evolution (LTE, or E-UTRAN), Third Generation (3G, UTRAN, or high speed packet access (HSPA)), Global System for Mobile communications (GSM), wireless local area network (WLAN) technology, such as for example 802.11 WiFi and/or the like, Bluetooth, Bluetooth low energy (BT-LE), near field communications (NFC), and any other radio technologies.
  • the radio interface 540 may further include other components, such as for example filters, converters (for example, digital-to-analog converters and the like), mappers, a Fast Fourier Transform (FFT) module, and the like, to generate symbols for a transmission via one or more downlinks and to receive symbols (for example, via an uplink).
  • FFT Fast Fourier Transform
  • the network node 500 may further include one or more processors, such as for example processor 530, for controlling the network node 500 and for accessing and executing program code stored in memory 535.
  • memory 535 includes code, which when executed by at least one processor causes one or more of the operations described herein with respect to network node, such as for example a base station, access point, and the like.
  • network node 500 may send the indication 166 to one or more user equipment, adapt the content of the indication in order to dynamically steer traffic among access networks, and/or other operations associated with the network node, base station, or access points disclosed herein.
  • Some of the embodiments disclosed herein may be implemented in software, hardware, application logic, or a combination of software, hardware, and application logic.
  • the software, application logic, and/or hardware may reside on memory 40, the control apparatus 20, or electronic components, for example.
  • the application logic, software or an instruction set is maintained on any one of various conventional computer-readable media.
  • a "computer-readable medium" may be any non-transitory media that can contain, store, communicate, propagate or transport the instructions for use by or in connection with an instruction execution system, apparatus, or device, such as for example, a computer or data processor circuitry, with examples depicted at FIGs. 4 and 5 .
  • a computer-readable medium may comprise a non-transitory computer-readable storage medium that may be any media that can contain or store the instructions for use by or in connection with an instruction execution system, apparatus, or device, such as for example, a computer. And, some of the embodiments disclosed herein include computer programs configured to cause methods as disclosed herein (see, for example, process 300 and/or the like).
  • a technical effect of one or more of the example embodiments disclosed herein is dynamic load balancing between access networks under the control of the network (for example, load balancing between a cellular access network and a non-cellular, WLAN access network).

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (12)

  1. Procédé comprenant les opérations suivantes :
    réception (302), sur un équipement de l'utilisateur (114a), d'un message (166) fourni par une station de base (110a) desservant un réseau d'accès radio (112a), dans lequel la station de base (110a) est associée à une première zone de suivi, dans lequel le message (166) comprend une indication représentative d'une préférence du réseau d'accès radio (112a) pour le trafic associé à une application et/ou un domaine de destination et/ou un service et/ou un type de trafic et dans lequel la préférence est valable pour la première zone de suivi mais non pour une seconde zone de suivi ;
    en réponse au fait que l'équipement de l'utilisateur est situé dans la première zone de suivi, détermination (304) de diriger ou non, en fonction de la préférence, le trafic vers au moins un réseau parmi le réseau d'accès radio (112a) ou un réseau local sans fil (112b) desservi par un point d'accès du réseau local sans fil (110b) ; et
    en réponse au fait que l'équipement utilisateur est situé dans la seconde zone de suivi et que l'équipement de l'utilisateur ne reçoit pas une autre indication d'une autre préférence valable pour la seconde zone de suivi, la détermination de diriger le trafic en fonction d'une préférence de l'utilisateur et/ou d'une découverte de réseau d'accès et d'une politique de fonction de sélection.
  2. Procédé selon la revendication 1, dans lequel le message (166) est fourni par au moins un élément parmi une diffusion de la station de base (110a) ou un canal de signalisation.
  3. Procédé selon la revendication 1, dans lequel l'indication comprend un seuil définissant le moment où le trafic doit être dirigé vers le réseau d'accès radio (112a) et/ou le réseau local sans fil (112b).
  4. Procédé selon les revendications 1 à 3, dans lequel l'indication comprend un indicateur à mappage de bits décodé en utilisant une clé pour identifier un type de trafic spécifique préféré par le réseau d'accès radio (112a), dans lequel le type spécifique comprend au moins un élément parmi l'application, le domaine de destination, le service et le type de trafic.
  5. Procédé selon la revendication 4, dans lequel l'indicateur à mappage de bits est reçu par le biais d'au moins l'un des éléments suivants : signalisation de couche de non-accès, gestion ouverte de dispositif d'alliance mobile et service de messagerie SMS.
  6. Procédé selon les revendications 1 à 5, comprenant en outre :
    l'application, par l'équipement de l'utilisateur (114a), d'une politique déterminée à partir de la préférence avant d'appliquer une autre politique locale à l'équipement de l'utilisateur (114a), dans lequel l'autre politique comprend au moins une préférence parmi une préférence de l'utilisateur et une politique de découverte de réseau d'accès et de fonction de sélection.
  7. Procédé selon les revendications 1 à 6, dans lequel un contenu de l'indication reçue change lorsque les conditions du réseau changent.
  8. Procédé selon les revendications 1 à 7, dans lequel, lorsqu'une autre indication représentative d'une autre préférence est reçue du canal de signalisation, l'équipement de l'utilisateur (114a) applique l'indication reçue du message diffusé (166).
  9. Procédé selon les revendications 1 à 8, dans lequel l'indication est reçue du point d'accès au réseau local sans fil (110b).
  10. Procédé selon les revendications 1 à 9, dans lequel le message (166) comprend une indication représentative d'une allocation du réseau d'accès radio (112a) pour le trafic associé à une application et/ou un domaine de destination et/ou un service et/ou un type de trafic.
  11. Appareil comprenant des moyens d'exécution d'un procédé selon au moins l'une des revendications 1 à 10.
  12. Progiciel informatique comprenant au moins un support de mémoire non transitoire lisible par ordinateur sur lequel est stocké un code de programme, code de programme qui, lorsqu'il est exécuté par un appareil, amène l'appareil à mettre en oeuvre un procédé selon au moins l'une des revendications 1 à 10.
EP13756775.6A 2013-08-20 2013-08-20 Orientation du trafic entre des réseaux cellulaires et des wlan Active EP3036933B1 (fr)

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CN105393585A (zh) 2016-03-09
WO2015026334A1 (fr) 2015-02-26
US20160205592A1 (en) 2016-07-14
US9955381B2 (en) 2018-04-24
EP3036933A1 (fr) 2016-06-29

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